OITracker Cboe delayed data

Contract OI history

Back to ASST

Jan 21, 2028 EXPIRATION

ASST $12.00 Put

ASST280121P00012000

Latest saved OI1,220Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ASST $12.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2726360 2026-10-09: 1,242 OI2026-10-13: 1,262 OI2026-10-14: 1,262 OI2026-10-15: 1,272 OI2026-10-16: 1,198 OI2026-10-21: 1,220 OI2026-10-23: 1,220 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ASST contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,2200
Oct 21, 20261,220+22
Oct 16, 20261,198-74
Oct 15, 20261,272+10
Oct 14, 20261,2620
Oct 13, 20261,262+20
Oct 09, 20261,242No prior observation